azcarbum Posted January 2, 2007 Share Posted January 2, 2007 Ok.. these questions may seem odd, but its for all the common good of us z folks.. Any help appreciated, as all my motors are built, and I don't have access to any exposed cranks. ============================== Weight of a L28 crank? Length and Thread pitch of crank bolt? Crank snout diameter? Crank/keyway measurments: (tip of snout to beginning of keyway & keyway length?)?? degree's from TDC to keyway? Keyway size?? ( ex....3/16" or 1/4")?? Quote Link to comment Share on other sites More sharing options...
JMortensen Posted January 2, 2007 Share Posted January 2, 2007 I fixed your title. Try to make it so that the title is descriptive enough so that people know what's in the thread without opening it. This makes it easier for other people to search. Quote Link to comment Share on other sites More sharing options...
Administrators RTz Posted January 3, 2007 Administrators Share Posted January 3, 2007 Weight of a L28 crank? 46lbs on my precision calibrated Walgreen bathroom scale. Length and Thread pitch of crank bolt? M16x1.5x32mm For what you're doing... I'll stand on the 5th for the remainder. 1 Quote Link to comment Share on other sites More sharing options...
Administrators BRAAP Posted January 3, 2007 Administrators Share Posted January 3, 2007 ......... For what you're doing... I'll stand on the 5th for the remainder. “Hello… McFly?!?!?!” . How do you think you are going to “stand on the 5th” when there are only 2 B-room scales in the whole shop? Like DUH?!?!?! Quote Link to comment Share on other sites More sharing options...
azcarbum Posted January 3, 2007 Author Share Posted January 3, 2007 What!!!.... No special nuclear, nano scale?? he he eh ehe hehe Quote Link to comment Share on other sites More sharing options...
2003z Posted January 3, 2007 Share Posted January 3, 2007 I'm not sure if they are different or not yet (but I will know tomorrow or today, as they are due in), but I recently got a replacement crankshaft, and the pulley bolt from the old one doesn't fit it. The threads on the bolt are a little worn though. However, 70-79 and 80-83 use different pulley bolts and washers. I ordered a pair for each of them, and I believe they will be in today to see what the difference is between them. I do know the washer for the 80-83 was $7 and change! Quote Link to comment Share on other sites More sharing options...
2003z Posted January 3, 2007 Share Posted January 3, 2007 ok, one set of bolt and washer 12309-21000 (bolt) and 12308-65000 (washer) have a ~30mm bolt and a larger diameter washer than the other set 12309-V0800 and 12308-V0700, which has roughly a ~45mm crank bolt but smaller diameter washer. I think the longer bolt / smaller pulley is for the later models by the price of the washer, but not 100% sure. The longer bolt would make more sense though, since the later cars had 3 row pulleys. Quote Link to comment Share on other sites More sharing options...
Administrators RTz Posted January 4, 2007 Administrators Share Posted January 4, 2007 The bolt I quoted is from a '76 280, with factory A/C. Quote Link to comment Share on other sites More sharing options...
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